Home / 43,482.39-65,248.20-18,519.84

Finding the Fourth Proportional to 43,482.39, 65,248.20 and 18,519.84

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Solution

The fourth proportional to 43,482.39, 65,248.20 and 18,519.84 is: 27,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482.39 : 65,248.20 = 18,519.84 : x
  2. Step 2: Convert to fraction form
    43,482.39/65,248.20 = 18,519.84/x
  3. Step 3: Cross multiply
    43,482.39x = 65,248.20 × 18,519.84
  4. Step 4: Simplify right side
    43,482.39x = 1,208,386,224.29
  5. Step 5: Solve for x
    x = 1,208,386,224.29/43,482.39
  6. Step 6: Final answer
    x = 27,790.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.